4.8 Article

Novel twin-perovskite nanocomposite of Ba-Ce-Fe-Co-O as a promising triple conducting cathode material for protonic ceramic fuel cells

Journal

JOURNAL OF POWER SOURCES
Volume 450, Issue -, Pages -

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ELSEVIER
DOI: 10.1016/j.jpowsour.2019.227609

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Funding

  1. U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy (EERE) under the Fuel Cell Technologies Office [DE-EE0008428]
  2. Clemson University
  3. CU-CIA grant - Clemson University's R-Initiative Program

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A stable twin-perovskite nanocomposite of Ba-Ce-Fe-Co-O was synthesized by a one-pot Pechini synthesis method. This discovery has opened a new avenue in the development of high-performance cathodes for protonic ceramic fuel cells (PCFCs). The symmetrical cells showed relatively low cathode area-specific resistance compared with existing the state-of-the-art PCFC cathodes. The single cells demonstrated a low polarization resistance of 0.075 Omega cm(2) and a high peak power density of 335 mW cm(2) at 700 degrees C under an Air/H-2 gradient.

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